<!DOCTYPE html>
<html lang="{{ str_replace('_', '-', app()->getLocale()) }}">
    <head>
        <meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">

    <!-- Bootstrap CSS -->
    <link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">

    <title>Hello, world!</title>
  </head>
  <body class="">
    <h1>Hello, world!</h1>
    <form action="cal" method="POST">
        @csrf
        <div class="input-group">
            <div class="input-group-prepend">
                <span class="input-group-text text-right" id="">2020-09</span>
            </div>
            <input type="text" class="form-control" maxlength="3" name="days['2020-09'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-09'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-09'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-09'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-09'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-09'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-09'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-09'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-09'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-09'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-09'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-09'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-09'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-09'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-09'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-09'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-09'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-09'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-09'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-09'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-09'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-09'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-09'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-09'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-09'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-09'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-09'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-09'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-09'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-09'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-09'][]">
        </div>
        <div class="input-group">
            <div class="input-group-prepend">
                <span class="input-group-text text-right" id="">2020-10</span>
            </div>
            <input type="text" class="form-control" maxlength="3" name="days['2020-10'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-10'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-10'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-10'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-10'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-10'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-10'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-10'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-10'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-10'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-10'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-10'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-10'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-10'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-10'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-10'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-10'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-10'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-10'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-10'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-10'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-10'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-10'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-10'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-10'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-10'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-10'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-10'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-10'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-10'][]">
            <input type="text" class="form-control" maxlength="3" name="days['2020-10'][]">
        </div>
        <button type="submit" class="btn btn-primary">Submit</button>
    </form>
    <!-- Optional JavaScript -->
    <!-- jQuery first, then Popper.js, then Bootstrap JS -->
    <script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
    <script src="https://cdn.bootcss.com/popper.js/1.12.9/umd/popper.min.js" integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q" crossorigin="anonymous"></script>
    <script src="https://cdn.bootcss.com/bootstrap/4.0.0/js/bootstrap.min.js" integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl" crossorigin="anonymous"></script>
  </body>
</html>
